Bonds are formed by valence electrons of
interacting atoms. That is option C.
Bonding occurs to give both atoms a more stable electron configuration. That is option D.
Chemical bond is defined as the link or attraction that exist between atoms, ions or molecules that usually leads to the formation of new chemical compounds.
There are different types of chemical bonds which include:
Covalent bonding: This bond is formed when the outermost electrons of one element shares it's electrons with the another element.Therefore, bonds are formed by valence electrons of interacting atoms.
ionic bonding: Here, electrons from the outermost shell of one element is transferred to another element to gain stability of the octet rule.Octet rule states that the total number of the electrons in the outermost shell should be equal to eight to maintain a stable electron configuration.
Therefore, bonding occurs to give both atoms more stable electron configuration.
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Answer: c: bonds are formed by Valence electrons or interacting atoms
d: bonding occurs to give both atoms a more stable electron configuration
Explanation:
ecuación iónica de
Ba(CIO4)2 y K2SO4.
i don't remember yeah yosj
Used when your body moves. *
A. nuclear energy
B. radiant energy
C. chemical energy
Answer:
Hello! I think it is chemical energy. Nuclear energy can be ruled out and radiant energy is energy transfered using electromagnetic radiation. I hope this helped. Have a great day!
A student wants to perform an experiment to study the relationship between the temperature and pressure of an enclosed gas. In one or two sentences, describe two assumptions that must be made in performing this experiment.
Given what we know about the relationship between the pressure and temperature of an enclosed gas, two assumptions we can make about the experiment performed by the student is that the volume of the enclosure will remain constant and that the amount of gas between each trial will also remain constant.
When performing an experiment to study the pressure-temperature relationship of a gas, we can always assume that the factors mentioned above will remain constant. In order to measure the data desired by the student, he will have to use the Ideal Gas law formula.
Given that this formula includes:
PressureTemperatureVolumeAmount of gasas variables to be considered in order to make calculations, we must assume that volume and the amount of gas will remain constant. Otherwise, the results will not be accurate as we will not know if these changes affected the pressure or temperature the student has measured.
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Answer:
the volume of the enclosure will remain constant and that the amount of gas between each trial will also remain constant.
Explanation:
One significant difference between gases and liquids is that:
A) a gas assumes the shape of its container, a liquid does not
B) a gas is made up of molecules, a liquid is not
C) a gas assumes the volume of its container, a liquid does not
D) None of all
E) a gas is always a mixture, a liquid is not
F) a gas may consist of both elements and compounds, a liquid may not
Answer:
A
Explanation:
all the other answers are wrong or not applicable. hope this helps :)
HELP ME PLSSSS
The table lists some compounds found in foods and their formulas. Based on this information, which of these statements is NOT true?
A) A molecule of maltitol has twice as many atoms as a molecule of glucose does.
B) A molecule of xylitol contains half as many atoms as a molecule of glucose does.
C)A molecule of sucrose has twenty-three more atoms than a molecule of xylitol does.
D) A molecule of glucose has the same number of hydrogen atoms as a molecule of glucose does.
Answer:
B
Explanation:
B is not true
that is the answer
Answer:
answer Is B. "A molecule of xylitol contains half as many atoms as a molecule of glucose does."
Explanation:
What is the volume percentage of 18 L of isopropanol in 45 L of water?
The volume percentage of 18 L of isopropanol in 45 L of water is 28.57%
Total solution = volume of water + volume of isopropanol
Total solution = 18L + 45L
Total solution = 63L
Volume of isopropanol = 18L
% volume of 18L isopropanol = 18/63 * 100
% volume of 18L isopropanol = 1800/63
% volume of 18L isopropanol = 28.57%
Hence the volume percentage of 18 L of isopropanol in 45 L of water is 28.57%
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plate movements on earths crust creates?
Answer:
Earthquakes and Volcanos?
Explanation:
I'm a little unsure about my answer, however, I do have some insight backing my answer. Earthquakes happen when the plate tectonics shift into each other, causing them to collide. Then for volcanos, the plate tectonics shift from convection current and molten rock from the mantle come to the surface.
Please help asap!!!!!!!
Answer:
30
Explanation:
what happens to the joints when you move the bones of the tight or wings?
Answer:
Ligaments are composed of strong fibrous connective tissue that connects bones. Your ligaments can be tight and may pop when you suddenly move or rotate at an unusual angle. This can cause a jolt of pain, or it may not cause any pain at all.
Explanation:
PA BRAINLIEST
Hello please please help me with this question please help PLEASE PLEASE HELP
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What is the difference between agar and pectin?
Answer:
Both come from vegetable sources; pectin is a soluble fiber found in plants, while agar comes from various species of algae. Chemically, they're closely related, and both consist of long strands of sugar molecules.
Explanation:
I want help solving this question
Answer:
1.04 is the amount he should take every day but it is not in the options, so estimate to the nearest value.
Explanation:
It is Option C If C is 1.0.
it is probably option A as it is the closest to 1.04.
you must clarify the question And options more.
what group of elemets form sugar
Answer:
Sugar is a molecule made up of 12 carbon atoms, 22 hydrogen atoms, and 11 oxygen atoms that is white in color. It is formed of the elements carbon, hydrogen, and oxygen (C12H22O11). Sugar is a carbohydrate, which means it is made up of these three components like all other molecules.
Explanation:
Hope it helps:)
The chemical symbol for helium is H
Answer:No, it is He
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Explain why it is difficult to classify selenium as either a metal or a non-metal
Answer:
The melting/ boiling point of selenium is closer to that of sulphur (a non-metal), compared with metals and metalloids. This shows selenium is more likely to be a non-metal, just like sulphur.
Selenium is classified as a metalloid. It has properties of both metals and non-metals, making it difficult to classify as either a metal or a non-metal.
Selenium is generally considered a non-metal, but it has some characteristics of metals as well. It is a semiconductor and an excellent conductor of electricity. Selenium has six valence electrons, which is one less than a typical non-metal, but it is also not a typical metal. Its properties place it in the intermediate category of metalloids.
A type of chemical element known as a metalloid possesses a significant number of properties that fall somewhere in between those of metals and nonmetals or are a combination of them. There is no universal definition of a metalloid, and there is no consensus regarding which elements constitute metalloids.
Metalloids are typically solid at room temperature and are brittle, somewhat shiny substances. Electronic band structures of metalloids are known to be comparable to those of semiconductors or semimetals. Amphoteric or weakly acidic oxides are known to form from metalloids.
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3. When Group 2 elements form ions, they
A. gain two electrons
B. lose two electrons
C. gain two protons
D. lose two protons
Answer:
don't understand make it clear
compare how the water particles in the pot are behaving to how the water particles in the steam above the pot are behaving.
Answer: If a liquid is heated the particles are given more energy and move faster and faster expanding the liquid. The most energetic particles at the surface escape from the surface of the liquid as a vapor as it gets warmer.
The water particles in a pot of boiling water are behaving very differently from the water particles in the steam above the pot.
The water particles in the pot are tightly packed together. They are constantly moving, but they are not free to move around as much as the water particles in the steam.
The water particles in the steam are much farther apart. They are also moving much faster than the water particles in the pot. This is because the steam has been heated to the boiling point, which means that the water molecules have enough energy to escape from the liquid state and become a gas.
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4.25 x 10^24 atoms N
Answer:4.25 x 10^24 atoms N
Explanation:
all you have to do is the equatequation in the calulator and there you go.
Marking as brainliest!
Answer:
A) Ionic Compound Formula: LiBr
B) Ionic Compound Formula: MgCl2
Ionic Compound Name: Magnesium Chloride
C) Cation: Cu+2
Anion: F-1
Ionic Compound Name: Copper (II) Flouride
D) Cation: Fe+3
Anion: O-2
Ionic Compound Formula: Fe2O3
Explanation:
I hope these answers help. If there is any that's wrong please tell me.
What is the charge of the ion formed when nitrogen obeys the octet rule?
The octet rule is the understanding that most atoms seek to gain stability in their outer most energy level by filling the s and p orbitals of the highest energy level with eight electrons.
Nitrogen has an electron configuration of 1s²2s²2p³ this means that nitrogen has five valence electrons 2s²2p³ .
Nitrogen seeks out three additional electrons to fill the p orbital and gain the stability of a noble gas, 1s²2s²2p⁶ .
However, now nitrogen has 10 electrons and only 7 protons making it a -3 charge anion
N−³.
tu sabias que existe el automovil que funciona solo con agua y hay otro que solo funciona con h2? pero lastimosamente estados unidos matò al creador para que no quebraran las petroleras con sus intereses
Dios mío, vaya, eso es una locura, no lo sabía, pero gracias por la información. :)
A fuel was burned for 5 min, increasing the temperature of 10.0 g of water with a density of 1.00 g/ml by 9.0 oC. The fuel released _____ ca
The fuel released 90 calories of heat.
Let suppose that water experiments an entirely sensible heating. Hence, the heat released by the fuel is equal to the heat absorbed by the water because of principle of energy conservation. The heat released by the fuel is expressed by the following formula:
[tex]Q = m\cdot c \cdot \Delta T[/tex] (1)
Where:
[tex]m[/tex] - Mass of the sample, in grams.[tex]c[/tex] - Specific heat of water, in calories per gram-degree Celsius.[tex]\Delta T[/tex] - Temperature change, in degrees Celsius.If we know that [tex]m = 10\,g[/tex], [tex]c = 1\,\frac{cal}{g\cdot ^{\circ}C}[/tex] and [tex]\Delta T = 9\,^{\circ}C[/tex], then the heat released by the fuel is:
[tex]Q = (10\,g)\cdot \left(1\,\frac{cal}{g\cdot ^{\circ}C} \right)\cdot (9\,^{\circ}C)[/tex]
The fuel released 90 calories of heat.
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Due Tomorrow: What element is in group 14, period 5
Answer: Lead (Pb)
Explanation: lead is in the 14th column (group) and 5th row along (period) on the periodic table of elements
PLS HELP!
For which properties can a student design an investigation of the electrostatic forces between molecules in a substance?
A. melting point and boiling point, but not surface tension and vapor pressure
B. surface tension and vapor pressure, but not melting point and boiling point
C. boiling point, but not melting point, surface tension, or vapor pressure
D. melting point, boiling point, surface tension, and vapor pressure
To determine the melting point of ice, which procedure would best help measure the melting point temperature?
A. Mix ice with water until equilibrium is reached but some ice remains that is no longer melting.
B. Mix ice with water until equilibrium is reached but some ice remains that is still melting.
C. Mix ice with water until just before equilibrium is reached but some ice remains that is no longer melting.
D. Mix ice with water until just before equilibrium is reached but some ice remains that is still melting.
Answer:
1. D: melting point, boiling point, surface tension, and vapor pressure
2. I’m not too sure about the second one. Maybe D Mix ice with water until just before equilibrium is reached but some ice remains that is still melting. However I am unsure. So do not take my word for it
Explanation:
The properties that a student can design an investigation of the electrostatic forces between molecules in a substance are melting point, boiling point, surface tension, and vapor pressure.
To determine the melting point of ice, which procedure would best help measure the melting point temperature is to Mix ice with water until equilibrium is reached but some ice remains that is still melting.
Intermolecular forces are regarded as the forces of attraction or repulsion that exist or act between close particles of atoms, molecules, or ions.
The slow heating rate at the melting point is important in order to get an the measurement.
When an individual heat ice, its temperature often rises, but as soon as the ice starts to melt, the temperature stays constant until all the ice has melted.
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What is the force required to pull a spring 0.5m if the spring constant is -3N/m
Answer:i think its right because i had this one before
2u+3u+8u=0
Which of the following statements is true?
Select one:
The molecules of liquid water have less kinetic energy than those of water
vapor
The molecules of liquid water interact with one another, and those of water
vapor do not
The molecules of liquid water and water vapor have a different atomic
composition
The molecules of liquid water are bigger than the molecules of water vapor.
World War 2 was a
war.
continental
civil
global
Pls helppppp
Answer:
so slaves can have there own rights,so the states can still be united and it would be backwards to only have 7 8 9 states
Explanation: please mark me as brainlist
An alkyne with the molecular formula C4H6 was reduced with sodium (Na) in liquid ammonia (NH3). Ozonolysis of the resulting alkene afforded only one aldehyde product. What is the IUPAC name of the alkene that was formed by reduction of the starting alkyne
Since the ozonolysis of the resulting alkene gave only one aldehyde, the starting material is but -2- yne.
Alkynes are a functional group characterized by the presence of the carbon - carbon triple bond. When an alkyne is reacted with sodium (Na) in liquid ammonia (NH3), the alkyne is converted to an alkene.
Alkenes undergo ozonolysis in which ozone is added across the double bond to form an ozonide. In the case, ozonolysis of the resulting alkene afforded only one aldehyde product. The alkyne starting material is but -2- yne.
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Describe how cooking marshmallows over a campfire could demonstrate all three forms of heat transfer.
One of the following substances is neither a good conductor of electricity nor an insulator. This substance is
a.kerosene
b.air
c.alcohol
d.petrol
(pls give answer fast)
Answer:
air is the option so yeah it's right